Home / 1,222,143,813.76-1,833,197,769.60-302,020,130.56

Finding the Fourth Proportional to 1,222,143,813.76, 1,833,197,769.60 and 302,020,130.56

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Solution

The fourth proportional to 1,222,143,813.76, 1,833,197,769.60 and 302,020,130.56 is: 453,025,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,143,813.76 : 1,833,197,769.60 = 302,020,130.56 : x
  2. Step 2: Convert to fraction form
    1,222,143,813.76/1,833,197,769.60 = 302,020,130.56/x
  3. Step 3: Cross multiply
    1,222,143,813.76x = 1,833,197,769.60 × 302,020,130.56
  4. Step 4: Simplify right side
    1,222,143,813.76x = 553,662,629,716,892,800
  5. Step 5: Solve for x
    x = 553,662,629,716,892,800/1,222,143,813.76
  6. Step 6: Final answer
    x = 453,025,759.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.